9. A sample of gas occupies 1.5 L at 25°C. If the temperature is raised to 60°C, what is the new volume of the gas if pressure remains constant ? 10. a)Soldiers in high altitudes like Ladakh carry oxygen cylinders.why? b).Why does the size of a weather balloon become larger and larger as it ascends into higher space ?
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Answer:
According to Chares law
V1
V2
=
T1
T2
Given V
1
=1.50 L
T1=25 degree celsius=298 K
T2=60 degree celsius=333 K
V
2
=
T1
T2
×V
1
=
298
333×1.5
=1.67L
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